Package forming method



March fi4, 11933 5 ROSEN PACKAGE FORMING METHOD Original Filed July 5,1930 Patented Mar. 14, 1933 UNITED STATES SKY BOSEN, OI BLOOMING'ION,ILLINOIS,

ASSIGNOR, BY MESNE ASSIGNMENTS, TO

SHELLMAR PRODUCTS COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF DELA-WARE PACKAGE FORMING METHOD My invention relates to a novel and improvedmethod of forming packages for enclosing, protecting and displayingarticles of food, candy, nuts, or the like. The invention concernsparticularly the formation of packages comprising a shape defining orbacking member in the form of a card or board of comparatively stiffmaterial and a wrapping or enclosing element in the form of moreflexible and preferably transparent matcrial such as cellophane. Thebacking element is usually of rectangular form and the wrapping elementis also of rectangular form but of larger dimensions than the backinelement and in the particular form of'pac age to which my inventionapplies the wrapping member is secured along its longitudinal marginsagainst the outer face of the backing member and then the projectingends of the wrapping element are folded over and secured against theouter face of the backing element to form a closed package.

Referring to the drawing which illustrates the various steps of myinvention,

Figure 1 is a perspective view of a pack- ?ige so be formed, the packagebeing shown lle Figure 2 is a transverse cross section of the packagebefore filling and showing one arrangement of the wrapping element;

Figure 3 is a plan view showing the elements superposed in flat formtogether with a template element for accurately gauging the foldinglines;

, Figure 4 is a similar section showing the folding of the wrappingelement around the template;

Figure 5 is a plan view showing the a plication of a template and abacking boar in a pre-folded length of wrapping element; and

Figure 6 is a transverse cross sectional View on line 66 of Figure 5 ofthe finished packa e.

Figure 1 shows the type. of package to which my invention is applied. Itcomprises a rectangular backing member 1 and the enveloping wrappingmember 2 secured along its edges against the outer face of the backingmember adjacent to the edges thereof. The backing member may be a pieceof cardboard 'when expanded to receive contents.

and the wrapping member may be a piece of more flexible material such ascellophane or other material which is flexible and preferablytransparent. The merchandise C shown packed in the package shown may becrackers, cookies, or the like.

To make the package having the cross section shown in Figure 2, therectangular piece 2 of cellophane or other wrapping material is placedon a fiat support and on top thereof and parallel therewith is placed atemplate 3, on topof which is placed the backing board 1, the templatebeing placed centrally of the wrapping member and the backing boardbeing placed centrally of the template as shown in Figure 3. Using thelongitudinal sides of the template as a guide or gauge, the sidesections of the wrapping member are folded along the lines a and againstthe top of the template and the backing board, the wrapping member thenoverlapping the board a short distance as indicated at b, Figure 4:.These overlapping margins of the wrapping member are secured to theboard by suitable adhesive which may have been previously applied to theboard and which is moistened when the wrapping material is foldedthereagainst.

Now, using the one end edge of the template as a guide and gauge theadjacent end of the wrapping material is folded across the template edgeand against the top of the board near the end thereof to which it issecured by adhesion. Preferably the corners of the wrapping material arebent over so that when the end has been folded a triangular flap allwill be formed as shown in Figure 1.

The template is of a size relative to the wrapping material and thebacking board so that the amount of wrapping material folded willdetermine the depth of the package The packages will all thus be of thesame cubical capacity and of the proper shape to intimately receivethe-merchandise articles.

After folding of the package along the sides and the one end thetemplate is withdrawn and the package will then be of the cross sectionshown in Figure 2 with the sides of the wrapping material foldedoutwardly, and the end e, Figure 3, being folded longitudinally but nottransversely in order to leave an opening for insertion of themerchandise to be packaged. The package is flat and rectangular and canbe conveniently and economically packed in small compass 1n ordinarycartons and containers. The distributors or the merchants will theninsert the merchandise into the open end of the package and then the ende of the wrapper is folded around the end of the merchandise to form thetriangular flap d.

Advertising or other matter may be printed directly on the backing boardor a label may be applied thereto. The board defines and maintains theshape of the package while through the transparent wrapper the contentswill be visible but will be fully protected and kept in propercondition.

Where the package has the wrapping material folded inwardly along thesides as shown in Figures 5 and 6, the wrapping members may beindividually folded, but preferably a continuous band of wrappingmaterial is folded by machine and the roper lengths then cut therefromfor the pac ages. Referring to Fi re 6 the folded band will have theinward y folded sections 7, the outwardly folded sections 9 and theinwardly folded flap or margin sections h, the sections f and y thenforming inwardly extending V folds. The formed band is then cuttransversely into sections for the packages.

Referring to Figure 5 a package length 6 is laid on a support and atemplate 4 is inserted, and on top of the template the backing board 5is laid. The board and template are of a width to extend between theupper folds g and the flaps h of the wrapper and the template is placedmidway between the ends of the wrapper and the backing board is placedmidway between the ends of the template. The parts are of relativelength so that after folding of the ends for the package the packagedepth at the ends will accord with that afforded by the expanded sidefolds.

After insertion of the template and backing board the flaps, where theyoverlay the board, are secured thereto by suitable adhesive and then oneend of the wrapper 6 is folded across the adjacent edge of the templateand against the top of the board to which it is secured by adhesion, thecorners being preferably first bent over so that a triangular flap iwill be formed as indicated in dotted lines.

The template is now withdrawn and is ready for shipment, it being flatand comparatively thin and readily packed. When the package is filledthe folds in the wrapping material will straighten out to form the sidesand ends of the package as shown in Fi re 1.

I t us provide a simple method and ecotions to said board, and thenremoving the template.

2. The method of forming a package which consists in laying arectangular template upon a rectangular blank of wrapping material,laying a backing board on said template, then folding the sides and oneend of said wrapping blank around the adjacent edges of said templateand securing them to said board, and then removing the template.

3. The method of forming a package which consists in placing on arectangular sheet of wrapping material a template of smaller dimensions,laying on the template a backing board of smaller dimensions than thetemplate, placing the template centrally of the wrapper and the boardcentrally of the template, then folding the sides and one end of thewrapper around the corresponding edges of said template and against theboard and securing them to the board, and then withdrawing the template.

4. The method of forming a package which consists in laying on arectangular blank of wrapping material a template of smaller dimensions,laying a backing board on said template of smaller dimensions than saidtemplate, then folding the sides of said wrapper around thelongitudinal-edges of said template and securing them against the outerface of the board, then bending over the corners at one end of thefolded wrapper to form a flap and folding such end around the adjacentedge of the template and securing the flap to said board, and thenremoving the template.

5. The method of forming a package, which comprises positioning a blankof wrapping material adjacent one side of a template, positioning abacking board adjacent the other side of said template, folding certainof the edges of said wrapping material about said template, securingsaid folded edges to said backing board, and removing said template.

In testimony whereof I have hereunto subscribed my name at Chicago, CookCounty,

Illinois.

SHY ROSEN.

